Where, as an interrogative word, generally refers to place and location; As a negative word, it means that you have your own opinions to express.
Dentist is a doctor who treats all kinds of dental diseases and is the standard name of dentist. Some are the basic names of dentists in general hospitals. Regular dentists must have a license to practice oral medicine, and the scope of treatment includes various dental diseases, such as; Dental inlay, dental implant, tooth whitening, orthodontic implant, etc. Dentistry is divided into surgery and internal medicine. Surgery is mainly surgery, and internal medicine is used for dental restoration, oral beauty, children's oral cavity and other treatments. Excellent dentists should be engaged in clinical work in the same profession for more than five years after obtaining the practicing certificate or doctor's title. Proficient in implant, oral all-ceramic restoration, adult periodontal treatment, inlay restoration, treatment and so on.